Optical Power: 0.43X Time conversion factor of your current lens setting + MACRO Mount system Optics Screw type in front of existing camera lens with 58mm filter thread Multicoated optical elements Capabilities: 174 Degrees circular fisheye capability Full Panoramic shots capable This 0.43x Wide Angle Fish eye Lens with "MACRO" fits right over your existing lens system and MORE THAN DOUBLES your angle of view, allowing you to get twice as much in the picture, include more of the landscape, include more people in group picture, and interiors show more of the room. It also has the separate Macro lens, that can be used for very detailed close up pictures. Truly 3-in-1 photographic solution. Brand New 0.43X Super Wide Panoramic Fisheye Lens with Macro Mounts on any lens with 58mm filter thread - no adapter needed High Resolution Professional Series High-Speed Auto - Focus Compatible Multi Coated Optics Lens System Front thread 67mm for filter mounting Lifetime international guarantee